Answer:
b
Explanation:
that the only part i know sorry i hope this helps
Usually it is fresh. There are exceptions: The Dead Sea (37% salinity) is so salty barely lives in it and the Salt lake near Salt Lake City is so salty people can easily and comfortably float in it.
Answer: Humans are moving more Carbon into the atmosphere with things like fossil fuels. We are also cutting down trees and other plants that actually take carbon away from our atmosphere through photosynthesis and adding oxygen. This is causing the carbon to get stuck in the atmosphere and contaminating our air.
Explanation:
The correct answer is option D.
C. the vertical rays of the sun at the tropic of cancer